diff --git a/WebServer/DatabaseScripts/expdp_task.cmd b/WebServer/DatabaseScripts/expdp_task.cmd
index 199ef5b..aea56c0 100644
--- a/WebServer/DatabaseScripts/expdp_task.cmd
+++ b/WebServer/DatabaseScripts/expdp_task.cmd
@@ -1,4 +1,4 @@
-REM $Id:$
+REM $Id$
 
 REM
 REM Use Oracle data pump to export data, zip the dump file and then move it to the
@@ -24,8 +24,37 @@ erase %logfile%
 
 expdp 'sys/fmdidgad@webmip as sysdba' parfile=parfile_data.expdp
 
-cmd /c /wait "start /low zip %zipfile% %dmpfile% %logfile%"
+cmd /c start "7-zip files - started %TIME%" /wait /low 7z a %zipfile% %dmpfile% %logfile%
 
 mkdir %destdir%
 
 move /Y %zipfile% %destdir% && erase %dmpfile%
+
+
+REM
+REM Remove the previous months matching backup
+REM
+
+if %mm% LSS 10 (
+set tmpmm=%mm:~1,1%
+) else (
+set tmpmm=%mm%
+)
+
+set /a prevmm=%tmpmm% - 1
+
+if %prevmm% LEQ 0 (
+set prevmm=112
+) else (
+set /a prevmm=100 + %prevmm%
+)
+
+if %prevmm% EQU 112 (
+set /a yyyy=%yyyy% - 1
+)
+
+set prevmm=%prevmm:~1,2%
+set prevzipfile=webmip_expdp_%yyyy%-%prevmm%-%dd%-%hr%.zip
+set prevdestdir=%destbasedir%\%yyyy%-%prevmm%
+echo erase %prevdestdir%\%prevzipfile% >> c:\erase_log.txt
+erase %prevdestdir%\%prevzipfile%